/*
 * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */
package javax.swing.text.html;

import javax.swing.text.*;


/**
 * TextAreaDocument extends the capabilities of the PlainDocument
 * to store the data that is initially set in the Document.
 * This is stored in order to enable an accurate reset of the
 * state when a reset is requested.
 *
 * @author Sunita Mani
 */

class TextAreaDocument extends PlainDocument {

  String initialText;


  /**
   * Resets the model by removing all the data,
   * and restoring it to its initial state.
   */
  void reset() {
    try {
      remove(0, getLength());
      if (initialText != null) {
        insertString(0, initialText, null);
      }
    } catch (BadLocationException e) {
    }
  }

  /**
   * Stores the data that the model is initially
   * loaded with.
   */
  void storeInitialText() {
    try {
      initialText = getText(0, getLength());
    } catch (BadLocationException e) {
    }
  }
}
